<template>
  <div
    :class="animate"
    :style="{ height: height, width: width }"
    :id="chartOption.bindingDiv"
    ref="chartDiv"
  />
</template>

<script>
import echarts from "echarts";
require("echarts/theme/macarons"); // echarts theme
import resize from "@/views/dashboard/mixins/resize";

import "../../animate/animate.css";
//import '../../util/china.js'
import "echarts/map/js/world";
import "echarts/map/js/china";
import "echarts/map/js/china-contour";
import "echarts/map/js/province/anhui";
import "echarts/map/js/province/aomen";
import "echarts/map/js/province/hebei";
import "echarts/map/js/province/heilongjiang";
import "echarts/map/js/province/henan";
import "echarts/map/js/province/hubei";
import "echarts/map/js/province/hunan";
import "echarts/map/js/province/jiangsu";
import "echarts/map/js/province/jiangxi";
import "echarts/map/js/province/jilin";
import "echarts/map/js/province/liaoning";
import "echarts/map/js/province/neimenggu";
import "echarts/map/js/province/beijing";
import "echarts/map/js/province/ningxia";
import "echarts/map/js/province/qinghai";
import "echarts/map/js/province/shandong";
import "echarts/map/js/province/shanghai";
import "echarts/map/js/province/shanxi";
import "echarts/map/js/province/shanxi1";
import "echarts/map/js/province/sichuan";
import "echarts/map/js/province/taiwan";
import "echarts/map/js/province/tianjin";
import "echarts/map/js/province/xianggang";
import "echarts/map/js/province/chongqing";
import "echarts/map/js/province/xinjiang";
import "echarts/map/js/province/xizang";
import "echarts/map/js/province/yunnan";
import "echarts/map/js/province/zhejiang";
import "echarts/map/js/province/fujian";
import "echarts/map/js/province/gansu";
import "echarts/map/js/province/guangdong";
import "echarts/map/js/province/guangxi";
import "echarts/map/js/province/guizhou";
import "echarts/map/js/province/hainan";

import { parseQueryString, fIsUrL } from "../../util/urlUtil";
import { linkChart } from "../../util/LinkageChart";
import { chartApiBar, remoteChartApi,chartBIanalysis  } from "@/api/tool/datav/chartApi";

import { addOption } from "../../codegen/codegen";
import { dealWithData, testData,sortsFunDesc } from '../../util/utilFun';
import { mapBIanalysis } from "@/api/tool/datav/chartBI/chartMapBI";
import { getFormsource } from "@/api/tool/datav/formsource";

const animationDuration = 6000;
import VueEvent from "@/views/tool/datav/VueEvent";
import { websocketCommand } from "../../util/websocket.js";

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: "chart"
    },
    width: {
      type: String,
      default: "100%"
    },
    height: {
      type: String,
      default: "100%"
    },
    chartOption: {
      type: Object
    },
    drawingList: {
      type: Array
    }
  },
  data() {
    return {
      chart: null,
      //dataOption: this.chartOption,
      timer: "",
      wsObj: null,
      wsFlag: false,
      wsTimer: "",
      wsValue: null,
      animate: this.className
    };
  },
  watch: {
    width() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    height() {
      this.$nextTick(() => {
        this.chart.resize();
      });
    },
    chartOption: {
      deep: true,
      handler(newVal) {
        this.setOptions(JSON.parse(JSON.stringify(newVal)));
      }
    },
    "chartOption.theme": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.timeout": {
      handler() {
        this.chart.dispose();
        this.chart = null;
        this.initChart();
      }
    },
    "chartOption.lines.effect.symbol": {
      handler() {
        if (this.chart != null) {
          this.chart.dispose();
          this.chart = null;
          this.initChart();
        }
      }
    },
    "chartOption.dataSourceType": {
      handler(value) {
        //切换数据源重新连接
        if (value !== "websocket") {
          this.wsFlag = false;
          //每次切换数据源恢复原来动画
          this.animate = this.className;
        }
        if (value !== "url") {
          clearTimeout(this.timer);
        } 
      }
    },
    "chartOption.interfaceKey": {
      handler(newValue, oldValue) {
        //初始化不创建连接，改变接口地址重新创建
        if (oldValue !== undefined && oldValue != "") {
          this.wsValue = null;
          this.closeWs();
          this.createWs();
          this.animate = this.className;
        }
      }
    },
    wsFlag: {
      handler(value) {
        if (!value) {
          this.wsValue = null;
          this.closeWs();
        }
      }
    },
    className: {
      handler(value) {
        this.animate = value;
      }
    }
  },
  mounted() {
    // this.$nextTick(() => {
    this.initChart();
    // });
  },
  beforeDestroy() {
    if (!this.chart) {
      return;
    }
    this.chart.dispose();
    this.chart = null;
    clearTimeout(this.timer);
    if (this.wsFlag) {
      this.closeWs();
    }
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, "macarons");
      
      //判断是否开启定时器，当是访问url接口时候并且timeout不为0时候开启定时器
      if (this.timer != "") {
        clearTimeout(this.timer);
      }
      if (
        (this.chartOption.dataSourceType == 'url' || this.chartOption.dataSourceType == 'database') &&
        this.chartOption.timeout > 0
      ) {
        let timerTask = () => {
          this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
          this.timer = setTimeout(() => {
            timerTask();
          }, this.chartOption.timeout);
        };

        timerTask();
      }else{
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    setOptions: async function(dataOption) {
      // console.log(dataOption)
      //初始化数据
      //如果不是静态数据就调用接口给staticDataValue赋值
      if (dataOption.dataSourceType == "url") {
        let paramJson = parseQueryString(dataOption.requestParameters);

        let interfaceURL = dataOption.interfaceURL;
        dataOption.staticDataValue = await chartApiBar(
          dataOption.requestMethod,
          interfaceURL,
          paramJson,
          dataOption.token
        );
        //console.log(paramJson);
      } else if (dataOption.dataSourceType == "database") {
        if (dataOption.database.executeSql != undefined && dataOption.database.executeSql != '') {
          
          let result = [];
          if(dataOption.database.sqlType == 'custom'){
          
            result = await chartBIanalysis(dataOption.database);
          }
          if (result.code == 200) {
            dataOption.staticDataValue = result.data;
            //console.log(dataOption.staticDataValue);
          } else {
            alert("操作数据库错误");
          }
        }
      } else if (dataOption.dataSourceType == "form") {
        if (dataOption.formSource != undefined) {
          let response = await getFormsource(dataOption.formSource.id);
          dataOption.staticDataValue = JSON.parse(response.data.formData);
        }
      } else if (dataOption.dataSourceType == "websocket") {
        if (
          dataOption.interfaceKey != undefined &&
          dataOption.interfaceKey != ""
        ) {
          if (!this.wsFlag) {
            this.wsFlag = true;
            this.wsValue = null;
            this.createWs();
          }
          if (this.wsValue != null) {
            dataOption.staticDataValue = this.wsValue;
          }
        }
      }

      if (dataOption.animate != null) {
        //添加动画样式
        //animateUtil.addAnimate(dataOption.bindingDiv, dataOption.animate);
      }

      //let mapName = "china";
      let mapName = dataOption.mapName;
      let geoCoordMap = {};
      /*获取地图数据*/
      //myChart.showLoading();
      let mapFeatures = echarts.getMap(mapName).geoJson.features;
      //myChart.hideLoading();
      mapFeatures.forEach(function(v) {
        // 地区名称
        let name = v.properties.name;
        // 地区经纬度
        geoCoordMap[name] = v.properties.cp;
      });


      let max = dataOption.staticDataValue.sort(sortsFunDesc('value'))[0].value
      let data = dataOption.staticDataValue;

        let res = [];
        let lines = [];
        for (let i = 0; i < data.length; i++) {
          let fromCoord = geoCoordMap[data[i].from];
          let toCoord = geoCoordMap[data[i].to];
          if (toCoord) {
            res.push({
              name: data[i].to,
              value: toCoord.concat(data[i].value),
              type: data[i].type==undefined?'':data[i].type
            });
          } else if (data[i].lng2 != undefined && data[i].lat2 != undefined) {
            res.push({
              name: data[i].to,
              value: [data[i].lng2,data[i].lat2,data[i].value],
              type: data[i].type==undefined?'':data[i].type
            });
          }

          if (fromCoord && toCoord) {
            lines.push([
              {
                coord: fromCoord,
                value: data[i].value
              },
              {
                coord: toCoord
              }
            ]);
          } else if (fromCoord) {
            lines.push([
              {
                coord: fromCoord,
                value: data[i].value
              },
              {
                coord: [data[i].lng2,data[i].lat2],
              }
            ]);
          } else if (toCoord) {
            lines.push([
              {
                coord: [data[i].lng1,data[i].lat1],
                value: data[i].value
              },
              {
                coord: toCoord
              }
            ]);
          } else {
            lines.push([
              {
                coord: [data[i].lng1,data[i].lat1],
                value: data[i].value
              },
              {
                coord: [data[i].lng2,data[i].lat2],
              }
            ]);
          }
        }

        let resultRes = [];
        let datas = dealWithData(res,'type');
        datas.forEach(element => {
          if(element.type == 'node'){
              resultRes = element.data
          }
        });

        datas.forEach(element => {
          if(element.type != 'node'){
              resultRes = resultRes.concat(element.data)
          }
        });
       

        const rr = new Map()
        resultRes = resultRes.filter((a) => !rr.has(a.name) && rr.set(a.name, 1))


      let seriesData = [
        {
          type: "lines",
          zlevel: 1,
          effect: dataOption.lines.effect,
          lineStyle: dataOption.lines.lineStyle,
          data: lines
        },
        {
          type: "effectScatter",
          coordinateSystem: "geo",
          zlevel: 2,
          rippleEffect: dataOption.rippleEffect,
          label: {
            normal: {
              show: true,
              position: dataOption.label.position, //显示位置
              offset: [5, 0], //偏移设置
              formatter: function(params) {
                //圆环显示文字
                return params.data.name;
              },
              fontSize: dataOption.label.fontSize,
              color: dataOption.label.color,
              zlevel: 1
            },
            emphasis: {
              show: true
            }
          },
          symbol: "circle",
          symbolSize: function(val) {
            if (dataOption.symbol.auto) {
              return val[2] * dataOption.symbol.coefficient;
            } else {
              return dataOption.symbol.size;
            }
          },
          itemStyle: {
            normal: {
              show: false
            }
          },
          data: resultRes
        }
      ];

      let option = {
        tooltip: {
          trigger: "item",
          showDelay: 0,
          hideDelay: 0,
          enterable: true,
          transitionDuration: 0,
          extraCssText: "z-index:100",
          formatter: function(params, ticket, callback) {
            //根据业务自己拓展要显示的内容
            if (params.seriesType == "effectScatter") {
              let res = "";
              let name = params.name;
              let value = params.value[params.seriesIndex + 1];
              res =
                "<span style='color:#fff;font-size:" +
                dataOption.tooltip.fontSize +
                "px'>" +
                name +
                "：" +
                value +
                dataOption.suffix +
                "</span>";
              return res;
            }
          }
        },
        title: {
          text: dataOption.title.text, //主标题
          textStyle: {
            color: "#fff", //颜色
            fontWeight: dataOption.title.textStyle.fontWeight, // 粗细
            fontFamily: dataOption.title.textStyle.fontFamily, // 字体
            fontSize: dataOption.title.textStyle.fontSize, // 字号大小
            align: "center" //水平对齐
          },
          subtext: dataOption.title.subtext, //副标题
          subtextStyle: {
            //对应样式
            color: "#fff",
            fontWeight: dataOption.title.textStyle.fontWeight, // 粗细
            fontFamily: dataOption.title.textStyle.fontFamily, // 字体
            fontSize: dataOption.title.textStyle.fontSize - 5,
            align: "center"
          },
          x: dataOption.title.x,
          itemGap: 7
        },
        //tooltip: dataOption.tooltip,
        visualMap: {
          //图例值控制
          min: 0,
          max: max,
          calculable: true,
          show: dataOption.visualMap.show,
          color: ["#f44336", "#fc9700", "#ffde00", "#ffde00", "#00eaff"],
          textStyle: {
            color: "#fff"
          },
          left: dataOption.visualMap.left + "%",
          bottom: dataOption.visualMap.bottom + "%"
        },
        geo: {
          map: mapName,
          zoom: 1.2,
          label: {
            emphasis: {
              show: false
            }
          },
          roam: dataOption.roam, //是否允许缩放
          itemStyle: dataOption.itemStyle
        },

        series: seriesData,
        bindingType: "mapline"
      };

      //执行通用处理函数
      if(dataOption.customData != undefined && dataOption.customData != ""){
        try {
          option = (
          
            //里面为要处理的代码块
          eval(dataOption.customData) 
          
          )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
          );
        } catch (error) {
          console.log(error)
        }
       } 
        //交互组件配置
      if(dataOption.interactData != undefined && dataOption.interactData != ""){
          try {
              option = (        
              //里面为要处理的代码块
              eval(dataOption.interactData)             
            )(
            option,
            dataOption.staticDataValue,
            this.$refs.chartDiv
            );
          } catch (error) {
            console.log(error)
          }               
       }    

      //  console.log(option)

      this.chart.setOption(option, true);

      addOption(dataOption.bindingDiv, option);

      //开启图表联动
      if (dataOption.isLink == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          if (params.value != undefined) {
            //设置参数
            let arrObject = {
              legendName: params.name,
              data: params.value[2]
            };

            let arrs = JSON.stringify(arrObject);

            //获取绑定的图表
            let bindList = this.chartOption.bindList;

            if (bindList.length > 0) {
              linkChart(dataOption.arrName, arrs, bindList, this.drawingList);
            }
          }
        });
      }
      // else{
      //   //关闭图表联动，取消echart点击事件
      //   this.chart.off('click');
      // }

      //开启图表下钻
      else if (dataOption.isDrillDown == true) {
        this.chart.off("click");
        this.chart.on("click", params => {
          if (params.value != undefined) {
            //设置参数
            let arrObject = {
              legendName: params.name,
              data: params.value
            };

            let arrs = JSON.stringify(arrObject);

            //获取绑定的图表
            let drillDownChartOption = this.chartOption.drillDownChartOption;

            if (
              drillDownChartOption != undefined &&
              drillDownChartOption != null
            ) {
              this.$set(
                this.chartOption.drillDownChartOption.chartOption,
                "requestParameters",
                "drillParam=" + arrs
              );
              //发送下钻消息
              VueEvent.$emit(
                "drill_down_msg",
                this.chartOption.drillDownChartOption
              );
            }
          }
        });
      } else {
        //关闭图表联动，取消echart点击事件
        this.chart.off("click");
      }
      //开启远程图表控制
      if (dataOption.isRemote == true) {
        if (dataOption.remote != undefined && dataOption.remote != null) {
          this.chart.off("click");
          this.chart.on("click", params => {
            if (params.value != undefined) {
              //设置参数
              let arrObject = {
                legendName: params.name,
                data: params.value
              };

              let remoteData = { ...dataOption.remote };
              remoteData.query = arrObject;
              //调用接口
              remoteChartApi(remoteData);
            }
          });
        }
      }
    },
    //  ws连接成功，后台返回的ws数据
    receiveMsg(e) {
      if (e.action == "chat") {
        // console.log('服务端推送',e);
        this.wsValue = JSON.parse(e.result);
        this.setOptions(JSON.parse(JSON.stringify(this.chartOption)));
      }
    },
    // 建立连接、发起ws请求，以心跳方式，向服务端发送数据
    createWs() {
      this.wsObj = new WebSocket(process.env.VUE_APP_WEBSOCKET);
      // 若为对象类型，以回调方式发送
      websocketCommand(
        this.wsObj,
        "create",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
    },
    // 断网重连，需要处理的逻辑
    reconnectWs() {
      if (this.wsObj) {
        console.log("%c websocket_reconnect", "color:blue");
        this.createWs();
      }
    },
    // 以回调方式向服务端发送(对象类型的)心跳
    sendHeartBeat() {
      if (this.wsTimer != "") {
        clearTimeout(this.wsTimer);
      }

      let wsTimerTask = () => {
        console.log("发送心跳", "ping");
        let obj = { action: "keep", key: this.chartOption.interfaceKey };
        this.wsObj.send(JSON.stringify(obj));
        this.wsTimer = setTimeout(() => {
          wsTimerTask();
        }, parseInt(process.env.VUE_APP_WEBSOCKET_TIMEOUT));
        this.wsWarning();
      };

      wsTimerTask();
    },
    wsWarning() {
      //如果断开连接则显示组件警告动画并清除计数器
      if (this.wsObj.readyState == 3) {
        this.animate = "warning";
        clearTimeout(this.wsTimer);
      }
    },
    closeWs() {
      clearTimeout(this.wsTimer);
      websocketCommand(
        this.wsObj,
        "close",
        5000,
        this.chartOption.interfaceKey,
        this.sendHeartBeat,
        this.receiveMsg,
        this.reconnectWs,
        this.wsWarning
      );
      this.wsObj = null;
    }
  }
};
</script>
